Fog Horn/Hailer/Intercom; Fog Horn - Furuno FM-4800 Operator's Manual

8. Fog Horn/Hailer/Intercom

Note
When receiving DSC calls in the Fog Horn mode or the Hailer mode, the radio
exits the Fog Horn mode or the Hailer mode and enters the call receiving
interface.

8.1 Fog Horn

This feature sounds certain international standard fog horn tones through the
speaker. This feature is available only when the radio is connected to a hailer.
Enter the "FOG HORN" interface
On the home screen, press the Menu/DSC control to enter the "MAIN
Step 1
MENU" screen.
Go to "COMMUNICATIONS > FOG HORN".
Step 2
The "FOG HORN" interface appears on the screen.
Use the manual horn
The Manual Horn feature allows you to manually start the predefined fog horn.
On the "FOG HORN" interface, select "MANUAL HORN".
Step 1
Press and hold the PTT key to sound the fog horn.
Step 2
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